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Proceedings of the Geological Society

VOLUME 49 PART 1 1992 Yorkshire Geological Society

FOUNDED 1837

OFFICERS AND COUNCIL Elected 7th December, 1991

President Mr B. YOUNG

Vice-Presidents Dr P. R. INESON Dr M.ROMANO General Secretary Mr A. C. BENFIELD School of Geography and Earth Resources, University of Hull, Cottingham Road, Hull HU6 7RX

Programme Secretary Dr H. M. PEDLEY School of Geography and Earth Resources, University of Hull, Cottingham Road, Hull HU6 7RX

General Treasurer Mr M. G. ALLDERIDGE Church Garth, North Newbald, York Y04 3SX

Librarian Dr W. J. VARKER Department of Earth Sciences, The University, Leeds LS2 9JT

Council Members Dr D. A. BLYTHE Prof. J. R. CANN Mr J. F. GREGORY Mr P. KABRNA Dr S. G. MOLYNEUX Dr J. H. POWELL Dr P. A. RATHBONE Miss A. RUTHERFORD Dr P. W. SCOTT Dr C. T. SCRUTTON Dr B. R. TURNER Dr P. B. WIGNALL

EDITORIAL BOARD

Principal Editors Dr D. MILLWARD British Geological Survey, Windsor Court, Windsor Terrace, Newcastle upon Tyne NE2 4HB

Mr I. C. BURGESS Department of Earth Sciences, The University, Leeds LS2 9JT

Editors Dr J. L. BEST Dr P. R. INESON Dr R. W. OB. KNOX Dr. S. G. MOLYNEUX Dr H. M. PEDLEY Dr J. E.POLLARD Dr P. F. RAWSON DrD.H.RAYNER Dr M. ROMANO Dr P. W.SCOTT Dr J. R. SENIOR Dr D.B.SMITH DrN.J.SOPER

Annual Subscription Ordinary Members £15.00 Student Members £7.50 Institutional Members £37.50 Associate Members £3.75 Forms of application and other information are obtainable from the General Secretary or from the Membership Section, do Mrs S. Rogers, 4 Middledyke Lane, Cottingham, North Humberside HU16 4NH

Society publications are available from Mr P. S. Valois, Edward Boyle Library, The University, Leeds LS2 9JT.

Cover illustration. Crystals of iron-boracite ((Fe,Mg,Mn)3B7013Cl) from Boulby Mine, Cleveland [NZ 7()2 182]. Nodules up to almost lm across, which consist of a variable mixture of iron-boracite, magnesite, talc, hematite, sylvite and halite occur locally within the potash seam and overlying shales. Although iron-boracite is an orthorhombic mineral it very commonly forms interpenetrant pseudocubic crystals. The crystals illustrated were obtained by dissolving the surrounding sylvite in water. The largest crystal is 2mm across. Specimen collected by B. Young, January 1992. SEM photograph by J. M. Pearce (British Geological Survey, Keyworth). See MILNE, J. K., SAUNDERS, M. J. & WOODS, P. J. E. 1977. Iron-boracite from the English Zechstein. MineralogicalMagazine41, 404-406. PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY

Volume 49

ISSN 0044-0604

Printed for the Yorkshire Geological Society by ARTHUR WIGLEY & SONS LTD, CANAL ROAD, BRADFORD YORKSHIRE GEOLOGICAL SOCIETY OCCASIONAL PUBLICATIONS

ISSN 0143 —6635

No. 1. Geological Aspects of Development and Planning in Northern Editor: P. T. Warren. 1970.

No. 2. The Geology and Mineral Resources of Yorkshire Editors: D. H. Raynerand J. E. Hemingway. 1974. (Out of print).

No. 3. The Geology of the Lake District Editor: F. Moseley. 1978. (Out of print).

No. 4. The of the U.S.S.R. Reports presented to the I.U.G.S. Subcommission on Carboniferous at the 8th International Congress on Carboniferous Stratigraphy and Geology held at Moscow, 1975. Editors: R. H. Wagner, A. C. Higgins and S. V. Meyen. 1979.

No. 5. Andros Island, Chalk and Oceanic Oozes Unpublished work of Maurice Black. Editors: C. V. Jeans and P. F. Rawson. 1980.

Occasional Publications Nos. 1, 4, 5 and back numbers of the Society Proceedings are available from Mr P. S. Valois, Edward Boyle Library, The University, Leeds LS2 9JT.

No. 6. The Role of Tectonics in and Carboniferous Sedimentation in the British Isles. Editors: R. S. Arthurton, P. Gutteridge and S. C. Nolan. 1989.

Occasional Publication No. 6 is available from the Geological Society Publishing House, Unit 7 Brassmill Enterprise Centre, Brassmill Lane, Bath BA13JN PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY

CONTENTS OF VOLUME 49

page

H. A. Armstrong and M. A. Purnell Thermal maturation of the Lower Carboniferous strata of the Northumberland Trough and Tweed Basin from conodont colour alteration index (CAI) data 335

V. Burns and R. B. Rickards graptolite faunas of the Balbriggan Inlier, counties Dublin and Meath, and their evolutionary, stratigraphical and structural significance 283

A. J. Chapman, R. B. Rickards and R. F. Grayson The Carboniferous dendroid graptolites of Britain and Ireland 295

J. M. Davison, P. R. Ineson and J. G. Mitchell Potassium-argon isotopic age determinations from the metasomatic alteration of the Great , Northern Pennine Orefield 71

A. C. Dunham (Presidential Address, 9th December, 1989) Developments in industrial mineralogy: I. The mineralogy of brickmaking 95

A. C. Dunham (Presidential Address, 8th December, 1990) Developments in industrial mineralogy: II. Archaeological mineralogy 105

A. C. Dunham and F. C. F. Wilkinson

A note on the mineralogy of the chilled margin of the Little Whin Sill at Turn Wheel Linn, Weardale, County Durham 67

S. E. Evans and M. S. King A new specimen of Protorosaurus (Reptilia: Diapsida) from the Marl Slate (late ) of Britain 229 R. A. Fairbairn and J. Ferguson

The characterisation of calcite-filled fractures from the Northern Pennine Orefield 117

J. Ferguson see R. A. Fairbairn and J. Ferguson 117

C. E. Fordham see B. R. Turner, P. L. Younger and C. E. Ford ham 269

J. R. A. Giles

Late Devensian and early Flandrian environments at Dishforth Bog, 1

R. F. Grayson see A. J. Chapman, R. B. Rickards and R. F. Grayson 295

D. W. Hoiliday

Geophysical log signatures in the Eden Shales (Permo-) of Cumbria and their regional significance .... 345

B. Humphreys see G. K. Lott and B. Humphreys 23

P. R. Ineson see J. M. Davison, P. R. Ineson and J. G. Mitehell 71

D. W. Jolley

Spore-dominated assemblages from the lowermost Reading Beds (Palaeocene) of north Essex ...... 149

M. S. King see S. E. Evans and M. S. King 229

M. R. Lee Formation and diagenesis of slope within the Upper Permian (Zechstein) Raisby Formation, north-east

England 215

A. Livingstone see B. Young, A. Livingstone and N. Thomson 125 ThGYorkshir. eK stratigraph. Lotet coasand tBy . anHumphreyd petrologs y of Middle (Ravenscar (iGroup) ) sediments in cored boreholes from the North 23 PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY

CONTENTS OF VOLUME 49 (continued) page T. McCann

The stratigraphy of the rocks around Cardigan, Wales 57

J. G. Mitchell see J. M. Davison, P. R. Ineson and J. G. Mitchell 71

S. Mitchell The belemnite faunal changes across the Hauterivian - Barremian boundary in north-east England 129 J. R. Nudds

Catalogue of type, figured and referred fossils in the Geological Department of the Manchester Museum ..... 81

B. Owens see N. Turner and B. Owens 189

H. M. Pedley Sedimentology of the late Quaternary barrage tufas in the Wye and Lathkill valleys, north Derbyshire 197 J. H. Powell Gyrochorte burrows from the Scarborough Formation (Middle Jurassic) of the Cleveland Basin and their sedimentological setting 41

M. A. Purnell see H. A. Armstrong and M. A. Purnell 335

A. D. Reynolds

Storm, wave and tide-dominated sedimentation in the Dinantian Middle Limestone Group, Northumbrian Basin . . 135

R. B. Rickards see V. Burns and R. B. Rickards 283

R. B. Rickards see A. J, Chapman, R. B. Rickards and R. F. Grayson 295

A. W. A. Rushton Graptolites from the Manx Group 259 D. B. Smith

Alate halite in the late Permian Rotten Marl of Tees-side, north-east England 293

E. Spinner see N. Turner and E. Spinner 11

M. A. Taylor Taxonomy and taphonomy of Rhomaleosaurus zetlandicus (Plesiosauria, Reptilia) from the Toarcian (Lower Jurassic) of the Yorkshire coast 49 L. Thistlewood and M. A. Whyte

A palaeomagnetic and mineral magnetic study of the Speeton Shell Bed, North Yorkshire 325

N. Thomson see B. Young, A. Livingstone and N, Thomson 125

B. R. Turner, P. L. Younger and C. E. Fordham Fell Sandstone lithostratigraphy south-west of Berwick-upon-Tweed: implications for the regional development of the Fell Sandstone 269 N. Turner

Cadiospora crypta sp. nov.; a new species of miospore from the Namurian of the central Pennine Basin, England . . 321

N. Turner and B. Owens

Palynological evidence for an early Namurian age of the Cornbrook Sandstone Formation, Clee Hill, Shropshire . . 189

N. Turner and E. Spinner Palynological evidence for the early Namurian age of the "Millstone Grit" and Upper Limestone Group around Longhoughton Steel, Northumberland n F. Whitham The stratigraphy of the Upper Flamborough Chalk Formation north of the Humber, north-east England . 235 (ii) PROCEEDINGS OF THE YORKSHIRE GEOLOGICAL SOCIETY

CONTENTS OF VOLUME 49 (continued) page M. A. Whyte see L. Thistlewood and M. A. Whyte 325

P. B. Wignall

The stratigraphy of the Upper (late Jurassic) of Golden Hill, Vale of Pickering, north Yorkshire 207

F. C. F. Wilkinson see A. C. Dunham and F. C. F. Wilkinson 67

A. A. Wilson (Presidential Address, 10th December, 1988) The Mercia Mudstone Group (Trias) of the Cheshire Basin 171 J. K. Wright The depositional history of the Hackness Coral - Sponge Bed and its associated sediments within the Passage Beds Member of the Coralline Oolite Formation (Corallian Group; ) of North Yorkshire 155

B. Young, A. Livingstone and N. Thomson

Fraipontitefrom Wensleydale, North Yorkshire 125

P. L. Younger see B. R. Turner, P. L. Younger and C. E. Fordham 269

Society Proceedings 1991 Annual Report; Honorary Memberships; Medal Presentations; Society Activities 75 Society Proceedings 1992

Annual Report; Honorary Memberships; Medal Presentations; Society Activities 263

Obituaries 76,169

Index for Volume 49 355

(iii)